Book Image

CompTIA Security+ Certification Guide

By : Ian Neil
Book Image

CompTIA Security+ Certification Guide

By: Ian Neil

Overview of this book

CompTIA Security+ is a worldwide certification that establishes the fundamental knowledge required to perform core security functions and pursue an IT security career. CompTIA Security+ Certification Guide is a best-in-class exam study guide that covers all of CompTIA Security+ 501 exam objectives. It is authored by Ian Neil, who is a world-class trainer of CompTIA Security+ 501. Packed with self-assessment scenarios and realistic exam questions, this guide will help you master the core concepts to succeed in the exam the first time you take it. Using relevant examples, you will learn all the important security fundamentals from Certificates and Encryption to Identity and Access Management concepts. You will then dive into the important domains of the exam; namely, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, and cryptography and Public Key Infrastructure (PKI). This book comes with over 600 practice questions with detailed explanation that is at the exam level and also includes two mock exams to help you with your study plan. This guide will ensure that encryption and certificates are made easy for you.
Table of Contents (18 chapters)
12
Mock Exam 1
13
Mock Exam 2
15
Acronyms

Implementing Different Cloud Deployment Models

We will first look at the different cloud models and their characteristics. The most common cloud model is the public cloud, so let's start with that:

  • Public Cloud: This is the most common model, where the CSP provides cloud services for multiple tenants. This is like being one of many people who rent an apartment in an apartment block:
Figure 1: Public cloud

Just like in the public cloud, none of the tenants owns their apartment. For example, a small company does not want to invest $50,000 in IT systems, so they purchase their cloud package from a cloud provider where they and another company are hosted by the cloud provider. This is similar to someone renting one apartment in a block from a landlord - you lease but do not own the flat. This is a multitenant environment where the cloud provider has multiple companies on the...